 /*******************************************************************************
  * Copyright (c) 2005 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  * IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.core.commands.operations;

 /**
  * <p>
  * ICompositeOperation defines an undoable operation that is composed of child
  * operations. Requests to execute, undo, or redo a composite result in the the
  * execution, undo, or redo of the composite as a whole. Similarly, a request to
  * dispose the composite should result in all child operations being disposed.
  * </p>
  *
  * @since 3.1
  */
 public interface ICompositeOperation extends IUndoableOperation {

     /**
      * <p>
      * Add the specified operation as a child of this operation.
      * </p>
      *
      * @param operation
      * the operation to be added. If the operation instance has
      * already been added, this method will have no effect.
      */
     void add(IUndoableOperation operation);

     /**
      * <p>
      * Remove the specified operation from this operation.
      * </p>
      * <p>
      * The composite operation should dispose the operation as part of removing
      * it.
      * </p>
      *
      * @param operation
      * the operation to be removed. The operation should be disposed
      * by the receiver. This method will have no effect if the
      * operation instance is not already a child.
      */
     void remove(IUndoableOperation operation);
 }

